Line: The book shelf in the room shows the use of line because the book shelf shelves are built against the wall forming a miniature tree. Our eyes are drawn to look at the book shelf tree from bottom to top and outward to the tree/bookshelf branches.
close up play room closet behind, utility room. open it like this to make laundry closet at the back door. Enclose the water heater. use space where w/d are now at right of door as a little built in seat for bags & coat hooks over it.